<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title></title>
    <link rel="stylesheet" type="text/css" href="css/bootstrap.css" />
    <script src="../vue.js"></script>
    <style type="text/css">
        body {
            /* margin: 0; */
            padding-left: 10px;
        }
        
        #app {
            width: 400px;
            height: auto;
        }
        
        .form-group {
            margin-top: 10px;
        }
        
        .form-group textarea {
            resize: none;
            height: 144px;
            width: 391px;
            border-radius: 5px;
            padding-left: 16px;
            line-height: 16px;
            padding-top: 10px;
            font-size: 16px;
        }
        
        .content {
            height: 244px;
            width: 391px;
            border-radius: 5px;
            padding-left: 16px;
            line-height: 10px;
            padding-top: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            position: relative;
            padding-right: 10px;
            margin-bottom: 10px;
            /* 纯字母或者数字导致不能换行 */
            word-break: break-all;
            word-wrap: break-word;
        }
        
        .p_img {
            height: 60px;
            width: 65px;
            background-color: #ccc;
        }
        
        .p_img>img {
            display: block;
            height: 100%;
            width: 100%;
        }
        
        .p_cont {
            position: absolute;
            top: 10px;
            left: 85px;
            line-height: 24px;
            padding-right: 10px;
            width: 300px;
            height: auto;
            background-color: #ccc;
        }
        
        .people {
            position: absolute;
            left: 13px;
            top: 85px;
        }
        
        .timeDate {
            position: absolute;
            right: 10px;
            bottom: 10px;
        }
    </style>
</head>

<body>
    <div id="app">
        <form action="#" method="">
            <div class="form-group">
                <label for="usename">用户名:</label>
                <input type="text" name="username" id="username" v-model="username" placeholder="请输入名字" />
            </div>
            <div class="form-group">
                <p><label for="cont">评论内容:</label></p>
                <textarea v-model="cont" placeholder="请输入内容"></textarea>
            </div>
            <div class="form-group" style="text-align: center">
                <input type="button" value="添加" @click="add" />
                <input type="reset" value="删除" @click="remove()" />
            </div>
        </form>
        <div v-show="this.arr.length == 0">暂无留言</div>
        <div class="content" v-for="item in arr">
            <!-- <div class="p_img">
                <img :src="imgUrl"></img>
            </div> -->
            <div class="people">{{item.username}}</div>
            <div class="p_cont">
                <span>{{item.cont}}</span>
            </div>
            <!-- <div class="timeDate">{{item.timer | dataFormat}}</div> -->
        </div>
    </div>
    <script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
    <script>
        // 定义全局过滤器进行时间格式化
        // Vue.filter('dataFormat', function(dataStr, pattern) {
        //     // 根据给定的时间字符串，得到特定的时间
        //     console.log(dataStr)
        //     var dt = new Date(dataStr)
        //     var y = dt.getFullYear()
        //     var m = dt.getMonth()
        //     var d = dt.getDate()
        //         // return `${y} - ${m} -${d}`
        //     if (pattern && pattern.toLowerCase() === 'yyyy-mm-dd') {
        //         return `${y} - ${m+1} -${d}`
        //     } else {
        //         var hh = dt.getHours()
        //         var mm = dt.getMinutes()
        //         var ss = dt.getSeconds()
        //         return `${y}年${m+1}月${d}日 ${hh}:${mm}:${ss}`
        //     }
        // })

        var app = new Vue({
            el: "#app",
            data: {
                username: "",
                cont: "",
                arr: [],
                imgUrl: "./images/people.jpg",
                // imgUrl:"http://wx2.sinaimg.cn/bmiddle/006WWRhNgy1gbn1bc3itdj31410u0q7y.jpg",
                // index:0
                // ctime: new Date()
            },
            methods: {
                add() {
                    this.arr.unshift({
                        username: this.username,
                        cont: this.cont,
                        timer: this.ctime,
                    });
                    this.username = "";
                    this.cont = "";
                    this.timer = "";
                },

                remove(index) {
                    this.arr.splice(index, 1);
                },
            },
        });
    </script>
</body>

</html>